Equivalent & Substitute Parts: SCHURTER 7010.9850.53

Part Overview

The SCHURTER 7010.9850.53 is a 3 A AC DC fuse cartridge with ceramic construction and surface mount mounting type. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure ongoing component availability for production and field replacement applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	7010.9850.53
Manufacturer	SCHURTER Inc.
Series	172876
Product Status	Obsolete
Fuse Type	Cartridge, Ceramic
Current Rating	3 A
Response Time	Fast Blow
Mounting Type	Surface Mount
Package / Case	Cartridge, Non-Standard

Substitute Part Grouping Explanation

Substitution of the obsolete SCHURTER 7010.9850.53 is based on the following critical parameters that must remain consistent:

Current Rating: 3 A (exact match required)
Fuse Type: Cartridge, Ceramic (exact match required)
Response Time: Fast Blow (exact match required)
Mounting Type: Surface Mount (exact match required)
Package / Case: Cartridge, Non-Standard (exact match required)
Series: 172876 (same product family)
Manufacturer: SCHURTER Inc. (same manufacturer)

The substitute part SCHURTER 7010.9850.57 meets all critical substitution criteria while providing an active product status with enhanced electrical specifications and compliance certifications.

Parameter Comparison

Parameter	7010.9850.53 (Obsolete)	7010.9850.57 (Active)	Match Status
Manufacturer	SCHURTER Inc.	SCHURTER Inc.	Identical
Series	172876	172876	Identical
Fuse Type	Cartridge, Ceramic	Cartridge, Ceramic	Identical
Current Rating (Amps)	3 A	3 A	Identical
Response Time	Fast Blow	Fast Blow	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Package / Case	Cartridge, Non-Standard	Cartridge, Non-Standard	Identical
Voltage Rating - AC	Not specified	125 V	Substitute provides specification
Voltage Rating - DC	Not specified	125 V	Substitute provides specification
Breaking Capacity @ Rated Voltage	Not specified	300 A	Substitute provides specification
Melting I²t	Not specified	1.3	Substitute provides specification
Operating Temperature	Not specified	-55°C ~ 125°C	Substitute provides specification
Size / Dimension	Not specified	0.079" Dia x 0.276" L (2.00mm x 7.00mm)	Substitute provides specification
Product Status	Obsolete	Active	Substitute is active
Approval Agency	Not specified	cURus	Substitute provides certification
RoHS Status	Not specified	ROHS3 Compliant	Substitute provides compliance
REACH Status	Not specified	REACH Unaffected	Substitute provides compliance
ECCN	EAR99	EAR99	Identical
HTSUS	8536.10.0040	8536.10.0040	Identical

Engineering Selection Recommendations

The SCHURTER 7010.9850.57 is the direct active equivalent for the obsolete SCHURTER 7010.9850.53. Selection of this substitute part is based on the following engineering criteria:

Functional Equivalence: Both parts share identical core specifications across all critical parameters: 3 A current rating, ceramic cartridge construction, fast blow response time, surface mount configuration, and non-standard cartridge package.

Product Status: The 7010.9850.57 maintains active product status, ensuring ongoing availability and manufacturer support, whereas the 7010.9850.53 is obsolete and subject to discontinuation.

Compliance and Certification: The substitute part carries cURus approval agency certification, ROHS3 compliance, and REACH unaffected status. These certifications provide regulatory assurance for applications requiring documented compliance.

Electrical Specifications: The substitute part provides complete electrical specifications including 125 V AC/DC voltage rating, 300 A breaking capacity, and 1.3 melting I²t value, which were not documented for the original part.

Thermal Performance: Operating temperature range of -55°C to 125°C is specified for the substitute part, supporting applications across extended environmental conditions.

Frequently Asked Questions (FAQ)

Q: Can the SCHURTER 7010.9850.57 be used as a direct replacement for the 7010.9850.53?

A: Yes. Both parts are identical in current rating (3 A), fuse type (ceramic cartridge), response time (fast blow), mounting type (surface mount), and package configuration (non-standard cartridge). The substitute part is the active equivalent within the same 172876 series.

Q: What is the primary reason for substitution?

A: The SCHURTER 7010.9850.53 is classified as obsolete. The 7010.9850.57 is the active product that maintains identical functional specifications while ensuring component availability.

Q: Are there any dimensional differences between these parts?

A: The substitute part specifies dimensions of 0.079" diameter by 0.276" length (2.00mm x 7.00mm). The original part dimensions were not documented. Both parts use identical non-standard cartridge packaging for surface mount applications.

Q: What certifications does the substitute part carry?

A: The SCHURTER 7010.9850.57 carries cURus approval agency certification, is ROHS3 compliant, and has REACH unaffected status. These certifications were not specified for the original part.

Q: Are the voltage ratings identical?

A: The substitute part specifies 125 V AC and 125 V DC voltage ratings. The original part voltage ratings were not documented. Both parts share the same ECCN (EAR99) and HTSUS (8536.10.0040) classifications.

Q: What is the operating temperature range?

A: The substitute part operates across -55°C to 125°C. The original part operating temperature was not specified.

Q: Are both parts from the same manufacturer?

A: Yes. Both the SCHURTER 7010.9850.53 and SCHURTER 7010.9850.57 are manufactured by SCHURTER Inc. and belong to the same 172876 series.

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